I have an "DaVinci IQ" portable vaporizer. Since the battery quickly runs out of power, I often keep it lying next to me, plugging from the computer into its USB-to-Mini-USB (or maybe it's Micro-USB -- unsure about that detail), often beyond the point where all the five LEDs are lit, indicating that it's fully charged.
I don't know where I heard this, but growing up with "early" rechargeable batteries, it was always a "thing" that you were supposed to stop charging them as quickly as possible after they are fully charged, or else "bad things" supposedly happen. I don't know what exactly those bad things were, but I'm pretty sure this was true at some point.
The question is: is it still true? Should I unplug it ASAP once it's fully charged, or does it no longer make any difference whatsoever?
And, if the answer is that this still has to be done, why is this? Why can't the device "stop sending in electrons" once it's fully charged, since it clearly can detect that?